"Tue, 18 Jun 2024 13:21:09"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240618
Only TIME
13:21:09
General datetime
2024-06-18 13:21:09Z
For Database
2024-06-18 13:21:09
For HTTP1.1
Tue, 18 Jun 2024 13:21:09 GMT